// 线程管理中心，负责线程的管理，如线程的初始化，启动，停止，包括识别线程的算法加载
using MvCameraControl;
using MvvmScaffoldFrame48.DLL.CameraTools;
using MvvmScaffoldFrame48.DLL.ConfigTools;
using MvvmScaffoldFrame48.Model.ResultModel;
using MvvmScaffoldFrame48.Model.StorageModel.ImageAlgorithm.ShuLI;
using MvvmScaffoldFrame48.Model.StorageModel.Configs;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Media.Media3D;

namespace MvvmScaffoldFrame48.DLL.ThreadManager
{
    public class ThreadManager
    {
        #region 变量与实例
        public static ThreadManager Instance => _instance;

        //相机组
        private readonly CameraGroup[] _cameraGroups = new CameraGroup[1];
        // 通信线程
        private readonly CommunicationThread _communicationThread;

        private static ThreadManager _instance = new ThreadManager();
        private ConfigService configService = ConfigService.Instance;
        #endregion

        #region 构造函数
        /// <summary>
        /// 构造函数
        /// </summary>
        private ThreadManager()
        {
            // 加载相机配置
            configService.LoadAsync();
            configService.SaveAsync();

            // 获取相机列表
            HikVision.GetCameraList(out List<IDeviceInfo> cameraInfoList);

            // 初始化四个相机组
            for (int i = 0; i < _cameraGroups.Count(); i++)
            {
                // 加载对应相机位的配置参数
                var CheckConfig = configService.CamerasProcessConfig.Where(c => c.CameraId == i);
                if(CheckConfig.Count() == 0) 
                {
                    _cameraGroups[i] = null;
                    continue; 
                }
                var cameraConfig = CheckConfig.FirstOrDefault();
                // 获取参数对应的相机
                HikVision.GetCamera(out IDeviceInfo cameraInfo, cameraConfig.CameraSN);
                if (cameraInfo == null)
                {
                    _cameraGroups[i] = new CameraGroup
                    {
                        CameraId = i,
                        ImageQueue = new ConcurrentQueue<IFrameOut>(),
                        QueueSemaphore = new SemaphoreSlim(0),
                        Camera = new HikCamera(),
                        Configuration = cameraConfig
                    };
                }
                else 
                {
                    _cameraGroups[i] = new CameraGroup
                    {
                        CameraId = i,
                        ImageQueue = new ConcurrentQueue<IFrameOut>(),
                        QueueSemaphore = new SemaphoreSlim(0),
                        Camera = new HikCamera(cameraInfo),
                        Configuration = cameraConfig
                    };
                }
                // 订阅处理结果事件
                _cameraGroups[i].ProcessResultAvailable += OnProcessResultAvailable;
            }

            // 初始化通信和显示线程
            _communicationThread = new CommunicationThread();
        }
        #endregion

        #region 公共方法

        /// <summary>
        /// 动态更改相机算法
        /// </summary>
        public void ChangeCameraAlgorithm(int cameraId, string algorithmName)
        {
            if (cameraId >= 0 && cameraId < _cameraGroups.Count())
            {
                // 相机组未初始化
                if (_cameraGroups == null)
                {
                    Console.WriteLine($"相机组{cameraId}未初始化");
                    return;
                }
                // 更新配置
                var config = configService.CamerasProcessConfig.FirstOrDefault(c => c.CameraId == cameraId);
                if (config != null)
                {
                    config.ProcessingAlgorithmName = algorithmName;
                }

                // 如果相机正在运行，需要重启以应用新算法
                bool wasRunning = _cameraGroups[cameraId].IsRunning;
                if (wasRunning)
                {
                    _cameraGroups[cameraId].Stop();
                    Thread.Sleep(100); // 等待线程完全停止
                }

                // 更新相机组配置并重新启动
                _cameraGroups[cameraId].Configuration = config;
                if (wasRunning)
                {
                    _cameraGroups[cameraId].Start();
                }
            }
        }

        /// <summary>
        /// 启动指定相机组
        /// </summary>
        public void StartCameraGroup(int cameraId)
        {
            if (cameraId >= 0 && cameraId < _cameraGroups.Count())
            {
                _cameraGroups[cameraId].Start();
            }
        }

        /// <summary>
        /// 停止指定相机组
        /// </summary>
        public void StopCameraGroup(int cameraId)
        {
            if (cameraId >= 0 && cameraId < _cameraGroups.Count())
            {
                _cameraGroups[cameraId].Stop();
            }
        }

        /// <summary>
        /// 启动通信线程
        /// </summary>
        public void StartCommunication()
        {
            _communicationThread.Start();
        }

        /// <summary>
        /// 停止通信线程
        /// </summary>
        public void StopCommunication()
        {
            _communicationThread.Stop();
        }

        /// <summary>
        /// 启动所有线程
        /// </summary>
        public void StartAll()
        {
            for (int i = 0; i < 4; i++)
            {
                StartCameraGroup(i);
            }
            StartCommunication();
        }

        /// <summary>
        /// 停止所有线程
        /// </summary>
        public void StopAll()
        {
            for (int i = 0; i < 4; i++)
            {
                StopCameraGroup(i);
            }
            StopCommunication();
        }

        /// <summary>
        /// 获取相机组运行状态
        /// </summary>
        public bool IsCameraGroupRunning(int cameraId)
        {
            return cameraId >= 0 && cameraId < _cameraGroups.Count() && _cameraGroups[cameraId].IsRunning;
        }

        /// <summary>
        /// 动态更新相机算法参数
        /// </summary>
        public void UpdateCameraParameters(int cameraId, object newParameters)
        {
            if (cameraId >= 0 && cameraId < _cameraGroups.Count())
            {
                _cameraGroups[cameraId].UpdateAlgorithmParameters(newParameters);
            }
        }

        /// <summary>
        /// 获取通信线程运行状态
        /// </summary>
        public bool IsCommunicationRunning => _communicationThread.IsRunning;
        #endregion

        #region 私有方法

        /// <summary>
        /// 处理相机处理结果
        /// </summary>
        private void OnProcessResultAvailable(object sender, CameraProcessEventArgsResultModel e)
        {
            // 将处理结果发送到通信线程
            _communicationThread.SendData(e);

            // 可以在这里添加其他处理逻辑，如更新显示等
            //Console.WriteLine($"收到相机{e.CameraId}的处理结果");
        }
        #endregion
    }
}